Collect samples of materials or products, checking them to ensure conformance to specifications or sending them to laboratories for analysis.
Observe conveyor operations and monitor lights, dials, and gauges to maintain specified operating levels and to detect equipment malfunctions.
Weigh or measure materials and products, using scales or other measuring instruments, or read scales on conveyors that continually weigh products, to verify specified tonnages and prevent overloads.
Weigh materials to ensure compliance with specifications.